KnowledgeWorks and Prolog User Guide > A Common Prolog > A.7 Debugging

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A.7.3 Leashing

Leashing allows the user to control execution while tracing for goals that are not spied. Spied goals cause execution to enter a debugging command loop whenever they are reached. Leashing provides the same functionality for unspied goals. A user may choose to enter a debugging command loop at any subset of ports by using (leash < events > ) where events may be: call, redo, exit, fail. Leashing may be turned off using (unleash) .


KnowledgeWorks and Prolog User Guide (Macintosh version) - 22 Dec 2009

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